Which airport is the most popular layover for flights between Kathmandu and Washington, D.C.?

Doha (DOH) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Washington, D.C.?

Qatar Airways, Emirates and Turkish Airlines are the top three most popular airlines that fly to Washington, D.C. from Kathmandu according to our data. Qatar Airways is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington, D.C.?

Qatar Airways, Air India, and Emirates are the most popular carriers operating from Kathmandu Tribhuvan to Washington, D.C.

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C.?

Dubai (DXB) has the shortest average layover time for this route: 4h 08m.

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C.?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 23h 00m.

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C.?

Flights via Istanbul (IST) offer the lowest average round-trip price of $1,385.

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

As of June 2026, there are 3 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C..

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$681 Cheap Flights from Kathmandu to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kathmandu to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:50 am - 9:45 am

KTM

IAD

32h 40m

2 stops

3:10 pm - 9:50 am

IAD

KTM

32h 55m

2 stops

$1,061Multiple Airlines

Wed, Jul 15 - Thu, Sep 17

2:05 pm - 9:45 am

KTM

IAD

29h 25m

2 stops

3:35 pm - 4:10 pm

IAD

KTM

38h 50m

2 stops

$1,205Multiple Airlines

Wed, Jul 8 - Tue, Oct 27

4:40 pm - 9:45 am

KTM

IAD

26h 50m

2 stops

3:10 pm - 2:10 pm

IAD

KTM

37h 15m

3 stops

$1,213Multiple Airlines

Wed, Jul 15 - Tue, Sep 1

6:00 pm - 9:50 pm

KTM

DCA

37h 35m

2 stops

4:59 pm - 8:50 am

DCA

KTM

30h 06m

2 stops

$1,636Qatar Airways

Thu, Jul 16 - Wed, Sep 30

10:05 am - 7:04 pm

KTM

DCA

42h 44m

2 stops

5:25 pm - 8:20 am

DCA

KTM

28h 10m

2 stops

$1,638Qatar Airways

Tue, Jul 14 - Mon, Nov 16

10:05 am - 7:14 pm

KTM

DCA

42h 54m

2 stops

5:30 pm - 8:20 am

DCA

KTM

29h 05m

2 stops

$1,639Qatar Airways

Wed, Jul 8 - Tue, Oct 27

6:00 pm - 9:50 pm

KTM

DCA

37h 35m

2 stops

6:23 pm - 4:45 pm

DCA

KTM

36h 37m

2 stops

$1,660Qatar Airways

Thu, Jul 16 - Wed, Sep 30

10:50 pm - 6:46 am

KTM

BWI

41h 41m

2 stops

6:00 am - 9:50 pm

BWI

KTM

53h 05m

2 stops

$1,805Singapore Airlines

Thu, Sep 10 - Thu, Feb 25

10:50 pm - 6:46 am

KTM

BWI

41h 41m

2 stops

6:00 am - 9:50 pm

BWI

KTM

53h 05m

3 stops

$1,816Singapore Airlines

Thu, Sep 10 - Thu, Feb 25

10:50 pm - 6:46 am

KTM

BWI

41h 41m

3 stops

6:00 am - 9:50 pm

BWI

KTM

53h 05m

3 stops

$1,876Singapore Airlines

Thu, Sep 10 - Thu, Feb 25

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Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets

Qatar Airways

Jun 24

KTM3:30 pmKathmandu Tribhuvan

27h 00m

1 stop

IAD8:45 amWashington, D.C. Dulles Intl

Aug 26

IAD9:00 pmWashington, D.C. Dulles Intl

27h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

$1,309

Qatar Airways

Jun 23

KTM3:30 pmKathmandu Tribhuvan

33h 55m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Aug 27

IAD9:00 pmWashington, D.C. Dulles Intl

27h 05m

1 stop

KTM9:50 amKathmandu Tribhuvan

$1,311

Qatar Airways

Jun 21

KTM6:00 pmKathmandu Tribhuvan

31h 25m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Jul 4

IAD11:05 amWashington, D.C. Dulles Intl

19h 55m

1 stop

KTM4:45 pmKathmandu Tribhuvan

$1,317

Singapore Airlines flights from Kathmandu to Washington, D.C.

Our best Singapore Airlines deals on Kathmandu to Washington, D.C. flight tickets

Singapore Airlines

Sep 10

KTM10:50 pmKathmandu Tribhuvan

41h 41m

2 stops

BWI6:46 amBaltimore/Washington

Feb 25

BWI6:00 amBaltimore/Washington

53h 05m

2 stops

KTM9:50 pmKathmandu Tribhuvan

$1,805

Singapore Airlines

Sep 10

KTM10:50 pmKathmandu Tribhuvan

41h 41m

2 stops

BWI6:46 amBaltimore/Washington

Feb 25

BWI6:00 amBaltimore/Washington

53h 05m

3 stops

KTM9:50 pmKathmandu Tribhuvan

$1,816

Singapore Airlines

Sep 10

KTM10:50 pmKathmandu Tribhuvan

41h 41m

3 stops

BWI6:46 amBaltimore/Washington

Feb 25

BWI6:00 amBaltimore/Washington

53h 05m

3 stops

KTM9:50 pmKathmandu Tribhuvan

$1,876

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 7/15

10:50 am-9:45 am

2 stops32h 40m

Washington, D.C. Dulles Intl

Thu 9/17

3:10 pm-9:50 am

2 stops32h 55m

$1,061

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 7/8

2:05 pm-9:45 am

2 stops29h 25m

Washington, D.C. Dulles Intl

Tue 10/27

3:35 pm-4:10 pm

2 stops38h 50m

$1,205

Quickest round-trip

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 7/15

4:40 pm-9:45 am

2 stops26h 50m

Washington, D.C. Dulles Intl

Tue 9/1

3:10 pm-2:10 pm

3 stops37h 15m

$1,213

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Thu 7/16

6:00 pm-9:50 pm

2 stops37h 35m

Washington, D.C. Reagan-National

Wed 9/30

4:59 pm-8:50 am

2 stops30h 06m

$1,636

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 7/14

10:05 am-7:04 pm

2 stops42h 44m

Washington, D.C. Reagan-National

Mon 11/16

5:25 pm-8:20 am

2 stops28h 10m

$1,638

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 7/8

10:05 am-7:14 pm

2 stops42h 54m

Washington, D.C. Reagan-National

Tue 10/27

5:30 pm-8:20 am

2 stops29h 05m

$1,639

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Thu 7/16

6:00 pm-9:50 pm

2 stops37h 35m

Washington, D.C. Reagan-National

Wed 9/30

6:23 pm-4:45 pm

2 stops36h 37m

$1,660

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Thu 9/10

10:50 pm-6:46 am

2 stops41h 41m

Baltimore/Washington

Thu 2/25

6:00 am-9:50 pm

2 stops53h 05m

$1,805

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Thu 9/10

10:50 pm-6:46 am

2 stops41h 41m

Baltimore/Washington

Thu 2/25

6:00 am-9:50 pm

3 stops53h 05m

$1,816

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Thu 9/10

10:50 pm-6:46 am

3 stops41h 41m

Baltimore/Washington

Thu 2/25

6:00 am-9:50 pm

3 stops53h 05m

$1,876

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Washington, D.C.?

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Kathmandu, with most prices found around $480. If you’re not able to fly to Washington, D.C. in August, then December is your next best option. Flight prices from Kathmandu to Washington, D.C. during December average around $1,064.

How far in advance should I book a flight from Kathmandu to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Kathmandu for as low as $1,303 on momondo.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of June 2026, prices for Kathmandu to Washington, D.C. flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Fastest flight time	27h 00m
Direct flights	None

The fastest flight from Kathmandu to Washington, D.C. takes 27h 00m

There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Kathmandu to Washington, D.C.

How far is Kathmandu Tribhuvan to Washington, D.C. by plane?
A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 27h 00m.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?
Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?
As of June 2026, there are 3 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C..
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kathmandu to Washington, D.C.?
Based on momondo bookings for flights between Kathmandu and Washington, D.C., the leading airline is Qatar Airways, making up 66% of the total bookings. Other popular airlines include Turkish Airlines with 34%.

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,241	Free Cancellation	Rating 7.3 3,727 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $1,281	Free Cancellation	Rating 7.4 4,409 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,472	Free Cancellation	Rating 8.1 3,590 reviews	Search Emirates flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Fredericksburg

Gaithersburg

Colonial Beach

Rockville

Linthicum Heights

Silver Spring

Towson

Manassas

Tysons

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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Fly into one of these airports located in Washington, D.C.

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Cheap flights from Kathmandu to Washington, D.C. from $681

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 6/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets

Singapore Airlines flights from Kathmandu to Washington, D.C.

Our best Singapore Airlines deals on Kathmandu to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

How far in advance should I book a flight from Kathmandu to Washington, D.C.?

How have Kathmandu to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Kathmandu Tribhuvan to Washington, D.C.?

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Kathmandu and Washington, D.C.?

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C.?

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C.?

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C.?

When to book flights from Kathmandu to Washington, D.C.

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Fastest flight time

Direct flights

Frequently asked questions about flying from Kathmandu to Washington, D.C.

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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